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1. ʹÓÃawkÏÂÁîÆÊÎöÈÕÖ¾ÎļþÁÐÊý

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awk '{print NF}' logfile

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2. ʹÓÃshell¾ç±¾×Ô¶¯»¯ÆÊÎö

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#!/bin/bash

for logfile in /var/log/*.log; do
    echo "Analyzing columns in $logfile"
    awk '{print NF}' $logfile
done

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2022-01-01 08:00:00 200 OK /index.html
2022-01-01 08:05:00 404 Not Found /page.html
2022-01-01 08:10:00 500 Internal Server Error /api

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